2024-02-18_09d061d343a68a80b320e119ecf87c9a_ryuk

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General

Target

2024-02-18_09d061d343a68a80b320e119ecf87c9a_ryuk
Size

140KB
MD5

09d061d343a68a80b320e119ecf87c9a
SHA1

46e24cdd6a57d68b79b98cf40654a7b836e2fc87
SHA256

3c5dc1b7d46b64da7adacbc9ad81b3da6909c7e5365c3e3e0c60fee86a68f084
SHA512

7f6f2fd55814cff436fb0d6a52bca9d32874adced9d0a1fa4f590dd282d54911cf898f027d10e37437222d5970de3bc6f1bafed097e5c72c3739d1f66a7db37e
SSDEEP

3072:536i2uXaWtPImVlbxy7FilNv0BCVQkvs0kUg33:Z6cXaBgliFilNstM

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-02-18_09d061d343a68a80b320e119ecf87c9a_ryuk

Files

2024-02-18_09d061d343a68a80b320e119ecf87c9a_ryuk
.exe windows:6 windows x64 arch:x64

1b4c5da9143eb137e08b585c386991db

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

kernel32

DeleteCriticalSection
GetStartupInfoW
WriteFile
WaitForSingleObject
CreateFileW
OpenEventW
OpenFileMappingW
UnmapViewOfFile
RaiseException
DeleteFileW
CloseHandle
LoadLibraryW
GetProcAddress
GetCurrentProcessId
FreeLibrary
MapViewOfFile
FlushFileBuffers
SetFilePointerEx
GetLastError
MultiByteToWideChar
SetEvent
InitializeCriticalSectionEx
GetConsoleMode
GetConsoleCP
SetStdHandle
GetProcessHeap
SetEnvironmentVariableW
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCPInfo
GetOEMCP
IsValidCodePage
FindNextFileW
FindFirstFileExW
FindClose
HeapReAlloc
IsDebuggerPresent
OutputDebugStringW
EnterCriticalSection
LeaveCriticalSection
ResetEvent
WaitForSingleObjectEx
CreateEventW
GetModuleHandleW
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
RtlPcToFileHeader
EncodePointer
RtlUnwindEx
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
LoadLibraryExW
SetLastError
ExitProcess
GetModuleHandleExW
GetModuleFileNameW
WideCharToMultiByte
GetStdHandle
GetCommandLineA
GetCommandLineW
GetACP
HeapFree
HeapAlloc
GetFileType
GetStringTypeW
CompareStringW
LCMapStringW
HeapSize
WriteConsoleW

advapi32

DuplicateTokenEx
GetTokenInformation

winhttp

WinHttpCrackUrl
WinHttpQueryDataAvailable
WinHttpReceiveResponse
WinHttpOpen
WinHttpAddRequestHeaders
WinHttpQueryHeaders
WinHttpReadData
WinHttpOpenRequest
WinHttpCloseHandle
WinHttpSendRequest
WinHttpConnect

userenv

CreateEnvironmentBlock
DestroyEnvironmentBlock

wtsapi32

WTSQueryUserToken
WTSEnumerateSessionsW
WTSFreeMemory
WTSQuerySessionInformationW

Sections

.text
Size: 82KB - Virtual size: 81KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 44KB - Virtual size: 44KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 5KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 512B - Virtual size: 236B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.tls
Size: 512B - Virtual size: 9B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

1b4c5da9143eb137e08b585c386991db

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

advapi32

winhttp

userenv

wtsapi32

Sections

.text Size: 82KB - Virtual size: 81KB

.rdata Size: 44KB - Virtual size: 44KB

.data Size: 3KB - Virtual size: 7KB

.pdata Size: 5KB - Virtual size: 4KB

.gfids Size: 512B - Virtual size: 236B

.tls Size: 512B - Virtual size: 9B

.rsrc Size: 1KB - Virtual size: 1KB

.reloc Size: 2KB - Virtual size: 1KB

.text
Size: 82KB - Virtual size: 81KB

.rdata
Size: 44KB - Virtual size: 44KB

.data
Size: 3KB - Virtual size: 7KB

.pdata
Size: 5KB - Virtual size: 4KB

.gfids
Size: 512B - Virtual size: 236B

.tls
Size: 512B - Virtual size: 9B

.rsrc
Size: 1KB - Virtual size: 1KB

.reloc
Size: 2KB - Virtual size: 1KB